. . . . . . . . . . . "The Medieval Age File:Medieval age.jpg is the third age a player can reach in Rise of Nations. It can be obtained by researching any four more technologies through the Library, and paying 275 food, and 275 knowledge."@en . . . . . . . . . . . . . . . . . "The Medieval Age File:Medieval age.jpg is the third age a player can reach in Rise of Nations. It can be obtained by researching any four more technologies through the Library, and paying 275 food, and 275 knowledge."@en . . . . . . . . . . . . . "Rise of Nations Ages"@en . "Medieval Age"@en .